Privacy Wall

A wind load design oversight on a subdivisions privacy walls required a repair to meet the building code. 

Solution:  Design a repair that protects the wall from "turnover". An extension of the original footing that both acts as a weight and a lever at the footing to counter wind in both directions.

Hand dig new footing

Layout of repair

Layout of Repair

Hand dig new footing

Track hoe used for excavation of new footing

Track hoe used for excavation of new footing

Footing area after excavation

Footing area after excavation

Bore holes for rebar dowels into existing footing @ 18" centers

Bore holes for rebar dowels into existing footing @ 18" centers

Hammer drill rebar dowel locations. Note orange dot to locate 18" centers

Hammer drill rebar dowel locations

Note: "orange dot" to locate 18" centers

Compaction of new footing using vibratory plate compactor

Compaction of new footing using vibratory plate compactor

In-place nuclear density test

In-place nuclear density test

Mixing epoxy for dowel anchorage in deep plastic container

Mixing epoxy for dowel anchorage in deep plastic container

Epoxy coated rebar ends placed into drilled existing footing

Epoxy coated rebar ends place into drilled existing footing

Ready to place and tie long rebars "anchored" dowels

Ready to place and tie long rebar "anchored" dowels

Place and tie-in logitudinal steel

Place and tie in longitudinal steel

Typical footing ready for inspection

Typical footing ready for inspection

Concrete pump and ready-mix truck

Concrete pump and ready-mix truck

Concrete pump receiving fresh concrete

Concrete pump receiving fresh concrete

Typical footing; Note concrete pump hose

Placing concrete in new footing

Pumping concrete

Note: concrete depth gauge against wall

Spading concrete to level and displace air

Float finish surface of footing

Typical completed repair

4" X 8" concrete test samples in cylinder molds to be picked up the following day for testing